.app {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    .footer {
        width: 100%;
        height: 100px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-sizing: border-box;
        padding: 0 30px;
        border-top: 1px solid #ccc;
        .con {
            width: 30%;
            height: 100%;
            display: flex;
            justify-content: space-around;
            align-items: center;
            font-size: 30px;
            a {
                text-decoration: none;
                color: #000;
            }
        }
    }
    .content {
        flex: 1;
        overflow-y: auto;
    }
}